2021 Interior Costs Book

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60091
$319.00
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Expected Shipping November 1, 2020

The focus of the 2021 Interior Costs Book with RSMeans data is on new, commercial, interior construction. It is aimed primarily at estimating commercial and industrial projects or large multi-family housing projects costing $3,500,000 or more. Although it captures data from each MasterFormat division, the divisions typically associated with exterior construction have been abbreviated. Those divisions with an interior focus (9, 10, 11, and 12) have been expanded. The wage rate is union and the assumption is that the installing contractor has annual billings of $4,000,000 or more. Since the data set includes both unit price and assembly formats, this data set can be used to develop budget as well as detailed estimates.

  • Includes both assembly and unit cost formats
  • Expanded focus on commercial, interior, new construction
  • Can be used to develop both budget and detailed estimates

New for 2021: Updated costs, organized in MasterFormat 2018

Supplemental Information Included: Equipment Rentals, Crews, Historical Cost Indexes, City Cost Indexes, Location Factors, Reference Tables, Change Orders, Project Costs, Square Foot Project Size Modifier, Abbreviations

Level of Cost Detail: Unit Costs, Assemblies


In response to the COVID-19 pandemic, Gordian is adding new Biohazard Remediation and Infectious Disease Precaution line item costs and modifiers to the 2021 RSMeans data update. The new modifiers allow cost estimators to adjust to the specific precautions for each project. Performing daily temperature checks, donning & doffing PPE, washing hands or disinfecting tools and equipment all impact labor efficiency. These modifiers provide a mechanism for cost estimators to allow for those inefficiencies in their project cost estimates.

Biohazard Remediation line items include the installation of temporary barriers for alternate traffic flow, ensuring social distancing or employee/customer checks and tests.

Infectious Disease Precautions modifiers include adjustments to labor costs that allow the estimator to choose which precautions are required.

For more information on the COVID-19 modifiers in the 2021 RSMeans data release, visit our FAQ.

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Availability Date Oct 31, 2020